Omron CJ1W-NC271 - 12-2009, Operation Manual

Page: 542 / 687

514
Procedure for Replacing a PCU
Section 13-4
The PCU data backed up using the PCU's backup function is stored in the
Memory Card under the following filename.
File name: UNIT
@@
.PRM
( Note: The boxes indicate the PCU's unit 10 hex)
Note (1) Execute PCU's READ BACKUP DATA to restore (read) data from the
Memory Card to the PCU's internal flash memory. The data restored in
the internal flash memory is enabled by restarting the PCU or cycling the
power to the CPU Unit.
(2) If a Memory Card Transfer Error occurs while using the PCU's backup
function, the backup to the Memory Card or restoration of data to the
PCU's internal flash memory will not be executed correctly. If such an er-
ror occurs, always execute the backup function again, and backup or re-
store the correct data.